[INFO] cloning repository https://github.com/Tarv3/animator_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tarv3/animator_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarv3%2Fanimator_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarv3%2Fanimator_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59b141bdb3bc0bca2a18547700ae621bb29bda67
[INFO] testing Tarv3/animator_lib against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarv3%2Fanimator_lib" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tarv3/animator_lib on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tarv3/animator_lib
[INFO] finished tweaking git repo https://github.com/Tarv3/animator_lib
[INFO] tweaked toml for git repo https://github.com/Tarv3/animator_lib written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Tarv3/animator_lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8da380cb87ed225fc793325f7751e982f9f0432458967684be9849b2a5c12bd
[INFO] running `Command { std: "docker" "start" "-a" "f8da380cb87ed225fc793325f7751e982f9f0432458967684be9849b2a5c12bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8da380cb87ed225fc793325f7751e982f9f0432458967684be9849b2a5c12bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8da380cb87ed225fc793325f7751e982f9f0432458967684be9849b2a5c12bd", kill_on_drop: false }`
[INFO] [stdout] f8da380cb87ed225fc793325f7751e982f9f0432458967684be9849b2a5c12bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87dc65d1820666ec15d8bb483932076f7923a207d81eec6e8fccbaeb5c3fb7d2
[INFO] running `Command { std: "docker" "start" "-a" "87dc65d1820666ec15d8bb483932076f7923a207d81eec6e8fccbaeb5c3fb7d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling collada-parser v0.1.0 (https://github.com/Tarv3/collada-parser.git#5d0bef47)
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.13
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.13/src/base/cg.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "87dc65d1820666ec15d8bb483932076f7923a207d81eec6e8fccbaeb5c3fb7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87dc65d1820666ec15d8bb483932076f7923a207d81eec6e8fccbaeb5c3fb7d2", kill_on_drop: false }`
[INFO] [stdout] 87dc65d1820666ec15d8bb483932076f7923a207d81eec6e8fccbaeb5c3fb7d2